rejoystick!

AntiMicro is a program used to map keyboard and mouse actions to gamepad/joystick buttons. It is useful for playing games with poor or no gamepad support.

Xpadder simulates the keyboard and mouse using your gamepad

Full list of Features

InputMapper is a DS4 (DualShock 4) input mapper that allows you to connect your PS4 gamepad to windows, wired (USB) or wirelessly (Bluetooth).

jstest-gtk is a simple joystick tester based on Gtk+. It provides you with a list of attached joysticks, a way to display which buttons and axis are pressed, a way to remap axis and buttons and a way to calibrate your joystick.

Enjoy2 is a simple program for OSX that allows you to transform joystick inputs into keyboard or mouse events.

reWASD is a gamepad mapper that lets you remap Xbox One, Elite and 360 controller to keyboard and mouse. The main unique thing about it is about Xbox Elite paddles: only reWASD allows working with them as with separate buttons. Also, the app allows map Xbox controls to keyboard keys, mouse buttons, moves and scrolls; and to Xbox controls back.

Control your PC using an Xbox controller instead of the mouse and keyboard

An input mapper app that add xinput to Xiaomi Mi Gamepads, so windows games recognize Xiaomi gmepad as a x360 controller & you can play them without any difficulty.

QJoyPad is a free Linux/QT program that lets you control any keyboard XWindows program with a gaming device

There are already very feature-rich joystick to keyboard mappers out there, be it JoyToKey or XPadder. However, both are not Freeware and both lack the possibility to easily switch configurations from outside the applications, which would be necessary if you use game front-ends like HyperSpin. This is where J2K has it's strengths.